Fast Ink and whoa there! They clocked more neutrinos, CERN-to-Gran Sasso. So ends the superluminal head-scratcher.

This morning the CERN press office emailed a lot of people, hitting ksjtracker’s in-box as well, to announce an expected thud. The ICARUS experiment at Italy’s inside-the-mountain Gran Sasso laboratory ran another test on how long neutrinos took to reach it after birth at the CERN lab to the north. They broke no speed limits, apparently settling the hubbub after those running another Gran Sasso experiment called OPERA last year timed them at slightly faster than light. Not that anybody much believed it. The puzzled OPERA team appealed for help in figuring out what happened. Recently, evidence emerged of a mis-calibration in timing equipment. Now, independent test solidifies belief that Einstein was right, again.

Unclear is whether the newly measured speed, errors bars included, looks plausibly to be that of photons. CERN merely says they don’t break the speed of light. That leaves room for same-as. Neutrinos have an oonch of mass. So even if it were on the button as in Star Trek’s old ‘warp one’ one can only presume it would present opportunities for theorists to stay up all night scribbling.

It didn’t take long for news outlets to respond.

Sample Stories:

Grist for the Mill: CERN statement ;

– Charlie Petit

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